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Post-Irradiation Examination results for MgO-CERCER Am-bearing fuels irradiated in PHENIX within the frame of the FUTURIX-FTA experiment.

Abstract : The FUTURIX/FTA experiment has been an international program partly implemented within the frame of the FP-6 EUROTRANS and FP-7 FAIRFUELS projects, to demonstrate the technical feasibility, with regard to fuel behaviour of transmuting minor actinides in Accelerator Driven Systems and Fast neutron Reactors dedicated to Minor Actinides burning. 8 Am-bearing fuel compositions 2 metallic, 2 nitride, 2 Mo-CERMET and 2 MgO-CERCER fuel types with Am contents ranging from 0.2 to 1.9 g.cm$^{-3}$ have been investigated. The MgO-CERCER fuels made of (Pu,Am)O$_{2-x}$ particles dispersed in a magnesia matrix were irradiated in the PHENIX sodium cooled fast reactor up to 6 and 9 at%, at maximum Linear Heat Rates of 80-100W.cm${-1}$. After a recap of the MgO-CERCER fuel pins features as well as the irradiation conditions, the paper gives an overview of the Post Irradiation Examination results gained within the FAIRFUELS European project, on these 2 ADS type fuels. The Post Irradiation Examinations have been performed at the LECA-STAR facility (CEA Cadarache site). Non Destructive Examinations consisted of visual inspections, metrology and gamma spectrometry of pins. Destructive examinations included pin puncturing and released gas analysis, measurements of geometrical and hydrostatic densities of pellets.
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G. Cecilia, F. Delage, J. Lamontagne, L. Loubet. Post-Irradiation Examination results for MgO-CERCER Am-bearing fuels irradiated in PHENIX within the frame of the FUTURIX-FTA experiment.. GLOBAL 2015, Sep 2015, Paris, France. ⟨cea-02509246⟩

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